# Latest

**URL:** https://discourse.processing.org/latest.md?page=68

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 69

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## [Trouble exporting video with VideoExport library - no errors but no .mp4 written to file](https://discourse.processing.org/t/trouble-exporting-video-with-videoexport-library-no-errors-but-no-mp4-written-to-file/42306)

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**Author:** [@DarkLight](https://discourse.processing.org/u/DarkLight)\
**Replies:** 1\
**Last updated:** [July 1, 2023, 5:24am UTC](https://discourse.processing.org/t/trouble-exporting-video-with-videoexport-library-no-errors-but-no-mp4-written-to-file/42306 "2023-07-01T05:24:23Z")

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Hello. I’m not sure what’s going on. I see that the VideoExport library is installed, I can navigate to it. The directory I am saving to does exist. I’m not getting any error, the drawing runs but no frames are saved…

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## [G4P Mouseover Event, mainly for tooltips](https://discourse.processing.org/t/g4p-mouseover-event-mainly-for-tooltips/34742)

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**Author:** [@myupctoys](https://discourse.processing.org/u/myupctoys)\
**Replies:** 19\
**Last updated:** [June 30, 2023, 5:59pm UTC](https://discourse.processing.org/t/g4p-mouseover-event-mainly-for-tooltips/34742 "2023-06-30T17:59:40Z")

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Hi, I’m wanting to add tool tips to assorted text, labels and possibly buttons. Not apparent in processing and G4P specifically. Main requirement would be for a “mouseover” events generated for these objects. Then imagi…

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## [G4P new release available](https://discourse.processing.org/t/g4p-new-release-available/42318)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 0\
**Last updated:** [June 30, 2023, 5:57pm UTC](https://discourse.processing.org/t/g4p-new-release-available/42318 "2023-06-30T17:57:43Z")

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I have just released G4P V4.3.9 and it should be available in the Contributions Manager in a day or two. In this release most G4P controls now support simple tool tips that appear when the mouse moves over the control, …

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## [Processing.py animated presentation help](https://discourse.processing.org/t/processing-py-animated-presentation-help/42238)

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**Author:** [@urjija](https://discourse.processing.org/u/urjija)\
**Replies:** 2\
**Last updated:** [June 29, 2023, 8:06pm UTC](https://discourse.processing.org/t/processing-py-animated-presentation-help/42238 "2023-06-29T20:06:15Z")

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hi, I’m trying to make an animated presentation using processing.py, I got the presentation part down, but im having some trouble trying to add some animations into this, every YouTube video I’ve seen is for java and not…

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## [JPen doesn't work anymore :(](https://discourse.processing.org/t/jpen-doesnt-work-anymore/42298)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 2\
**Last updated:** [June 29, 2023, 6:26pm UTC](https://discourse.processing.org/t/jpen-doesnt-work-anymore/42298 "2023-06-29T18:26:31Z")

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The jpen tablet library doesnt work anymore, even the examples dont work! Tablet 2.0-alpha3 by Andres Colubri http://andrescolubri.net/ Jun 27, 2023 9:47:14 PM jpen.provider.NativeLibraryLoader$4 run INFO: loading JPen …

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## [Can't see display window on screen unless I have it in fullScreen()](https://discourse.processing.org/t/cant-see-display-window-on-screen-unless-i-have-it-in-fullscreen/42311)

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**Author:** [@scottreinhard](https://discourse.processing.org/u/scottreinhard)\
**Replies:** 1\
**Last updated:** [June 29, 2023, 2:58pm UTC](https://discourse.processing.org/t/cant-see-display-window-on-screen-unless-i-have-it-in-fullscreen/42311 "2023-06-29T14:58:23Z")

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I’ve come back to some code after awhile away from it. It had been working up until now. But now when I run it, it shows that it is running but I cannot see it on my screen, I have a println(frameCount) to confirm that i…

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## [P3D make something display on top!](https://discourse.processing.org/t/p3d-make-something-display-on-top/42302)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 9:36pm UTC](https://discourse.processing.org/t/p3d-make-something-display-on-top/42302 "2023-06-28T21:36:39Z")

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How do i display gui in p3d always in front of everthing? if i try to do it like this: box(256); popMatrix(); camera(); //resets viewport to 2D equivalent noLights(); fill(60); rect(0,0,100,100); fill(2…

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## [Rendering Error / Glitch - How to Fix / Reproduce](https://discourse.processing.org/t/rendering-error-glitch-how-to-fix-reproduce/42297)

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**Author:** [@andrewcooke](https://discourse.processing.org/u/andrewcooke)\
**Replies:** 2\
**Last updated:** [June 28, 2023, 6:32pm UTC](https://discourse.processing.org/t/rendering-error-glitch-how-to-fix-reproduce/42297 "2023-06-28T18:32:35Z")

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Sorry, wasn’t sure what section to post this under. The image fragment below shows bezier curves rendered via P2D with alpha non-unity and blendMode either BLEND or ADD, using processing 4 on Linux w a low spec Radeon c…

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## [Processing + Bluetooth Baudrate](https://discourse.processing.org/t/processing-bluetooth-baudrate/42293)

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**Author:** [@Myrdalm](https://discourse.processing.org/u/Myrdalm)\
**Replies:** 6\
**Last updated:** [June 27, 2023, 2:51pm UTC](https://discourse.processing.org/t/processing-bluetooth-baudrate/42293 "2023-06-27T14:51:09Z")

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I’ve been successful in making PC Bluetooth communicate with HC-05, using processing in creating the graphic user interface making it communicate via Bluetooth pairing it. Though I am not sure what is causing the respons…

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## [Call Python script](https://discourse.processing.org/t/call-python-script/42159)

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**Author:** [@doni](https://discourse.processing.org/u/doni)\
**Replies:** 2\
**Last updated:** [June 12, 2023, 7:46pm UTC](https://discourse.processing.org/t/call-python-script/42159 "2023-06-12T19:46:19Z")

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hi forum. is it possible to call python script from processing sketch. thank you

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## [Can I use Processing in VS Code?](https://discourse.processing.org/t/can-i-use-processing-in-vs-code/42282)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 3\
**Last updated:** [June 27, 2023, 6:01am UTC](https://discourse.processing.org/t/can-i-use-processing-in-vs-code/42282 "2023-06-27T06:01:55Z")

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I dont know how to start it! i installed “Processing VSCode v2.5.1” and it knows what i type but i cant start it! it says no extension for file! It gives me this error if i try to klick the triangle that runs it: PS C:…

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## [Processing in Java: canvas size + image cleanup](https://discourse.processing.org/t/processing-in-java-canvas-size-image-cleanup/38272)

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**Author:** [@xXx\_jesushchrist\_xXx](https://discourse.processing.org/u/xXx_jesushchrist_xXx)\
**Replies:** 8\
**Last updated:** [June 26, 2023, 10:36pm UTC](https://discourse.processing.org/t/processing-in-java-canvas-size-image-cleanup/38272 "2023-06-26T22:36:37Z")

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How can I make my processing canvas in a Java project run/look exactly like it does when I use the processing IDE for this project? I’m using P4 beta (I also get this issue with P3) as graphics library for a java projec…

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## [3D model does not respond to light in instance mode](https://discourse.processing.org/t/3d-model-does-not-respond-to-light-in-instance-mode/42206)

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**Author:** [@tanzor](https://discourse.processing.org/u/tanzor)\
**Replies:** 1\
**Last updated:** [June 26, 2023, 9:04am UTC](https://discourse.processing.org/t/3d-model-does-not-respond-to-light-in-instance-mode/42206 "2023-06-26T09:04:59Z")

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Hi all, When I load my blender-made object into a p5.js sketch in instance mode it does not interact with the light source, but appears as a silhouette. Is this a known limitation? Is there a workaround, assuming I nee…

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## [PDF saving: how to open a window to choose path and specify a name](https://discourse.processing.org/t/pdf-saving-how-to-open-a-window-to-choose-path-and-specify-a-name/42289)

<div class="topic-metadata">

**Author:** [@jeykech](https://discourse.processing.org/u/jeykech)\
**Replies:** 22\
**Last updated:** [June 26, 2023, 8:36am UTC](https://discourse.processing.org/t/pdf-saving-how-to-open-a-window-to-choose-path-and-specify-a-name/42289 "2023-06-26T08:36:59Z")

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hello All, I would like to know if there is a way/command to choose a path and a name every time I choose to save a PDF while my sketch is running (Processing desktop on a Mac). like It is done in every known software …

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## [What does "Error on int" mean?](https://discourse.processing.org/t/what-does-error-on-int-mean/42264)

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**Author:** [@Random\_Ghost](https://discourse.processing.org/u/Random_Ghost)\
**Replies:** 11\
**Last updated:** [June 24, 2023, 6:11pm UTC](https://discourse.processing.org/t/what-does-error-on-int-mean/42264 "2023-06-24T18:11:43Z")

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''Syntax error on token “int”, invalid ClassType ‘’ I have a static class C3 and I’m trying to create a color method in it. Here’s the code, static class C3 { int r, g, b; /\* public C3(color c){ r = c; g…

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## [Need help with printing (paper, to an actual printer)](https://discourse.processing.org/t/need-help-with-printing-paper-to-an-actual-printer/42288)

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**Author:** [@Illuminaria](https://discourse.processing.org/u/Illuminaria)\
**Replies:** 4\
**Last updated:** [June 25, 2023, 7:05pm UTC](https://discourse.processing.org/t/need-help-with-printing-paper-to-an-actual-printer/42288 "2023-06-25T19:05:04Z")

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\<I’m an art student that got a Processing project in three stages for my Digital Art Class. No a programmer by myself. I ended up making a humble but nice autogerenating art code. What i need for the instalation is Proc…

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## [How do I write class methods in other tabs?](https://discourse.processing.org/t/how-do-i-write-class-methods-in-other-tabs/42292)

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**Author:** [@Random\_Ghost](https://discourse.processing.org/u/Random_Ghost)\
**Replies:** 2\
**Last updated:** [June 25, 2023, 5:45pm UTC](https://discourse.processing.org/t/how-do-i-write-class-methods-in-other-tabs/42292 "2023-06-25T17:45:45Z")

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I am creating an image processing methid but it’s becoming too long for me to keep track of everything. Is it possible for me to write the class methods in other tabs?

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## [What is the COM port of serial port for Bluetooth for Raspberry Pi](https://discourse.processing.org/t/what-is-the-com-port-of-serial-port-for-bluetooth-for-raspberry-pi/42278)

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**Author:** [@Myrdalm](https://discourse.processing.org/u/Myrdalm)\
**Replies:** 6\
**Last updated:** [June 25, 2023, 3:26pm UTC](https://discourse.processing.org/t/what-is-the-com-port-of-serial-port-for-bluetooth-for-raspberry-pi/42278 "2023-06-25T15:26:56Z")

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Using this code: import processing.serial.\*; Serial myPort; printArray(Serial.list()); myPort = new Serial(this, Serial.list()\[0\], 9600); I am able to connect a comport via Bluetooth if use Windows in my laptop. But…

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## [Processing-4 IDE Source Code Colours](https://discourse.processing.org/t/processing-4-ide-source-code-colours/42279)

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**Author:** [@RichardDL](https://discourse.processing.org/u/RichardDL)\
**Replies:** 5\
**Last updated:** [June 25, 2023, 2:23pm UTC](https://discourse.processing.org/t/processing-4-ide-source-code-colours/42279 "2023-06-25T14:23:44Z")

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I’ve been trying the colour features in Processing-4 IDE. It’s better than Processing-3 but not as flexible as I’d like. You can select a theme (Tools, Theme Selector), and save it. Then you can edit the theme.txt and…

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## [Extend PShape (again)](https://discourse.processing.org/t/extend-pshape-again/14609)

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**Author:** [@Protos](https://discourse.processing.org/u/Protos)\
**Replies:** 7\
**Last updated:** [June 24, 2023, 10:32pm UTC](https://discourse.processing.org/t/extend-pshape-again/14609 "2023-06-24T22:32:14Z")

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Hi, For educational purpose I want to write a cleanly structured Pong game in processing. For the Ball I’d liked to use PShape inside a class and still have access to all the PShape methods such as setVisibility() etc.…

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## [Plotting data from Arduino](https://discourse.processing.org/t/plotting-data-from-arduino/42285)

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**Author:** [@cyp](https://discourse.processing.org/u/cyp)\
**Replies:** 5\
**Last updated:** [June 24, 2023, 10:22pm UTC](https://discourse.processing.org/t/plotting-data-from-arduino/42285 "2023-06-24T22:22:33Z")

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Hi everyone.i have a little code i wrote from a school project. if someone could help me wih a code to processing to plot these variables. ex: volt=f(debit) curent=f(debit).

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## [How do I make an array method?](https://discourse.processing.org/t/how-do-i-make-an-array-method/42286)

<div class="topic-metadata">

**Author:** [@Random\_Ghost](https://discourse.processing.org/u/Random_Ghost)\
**Replies:** 4\
**Last updated:** [June 24, 2023, 8:25pm UTC](https://discourse.processing.org/t/how-do-i-make-an-array-method/42286 "2023-06-24T20:25:27Z")

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I am currently trying to make a CImage class similar to the PImage class. But I want to have a method for accessing pixel values from the image array in the form img.pixels\[y\]. How do I set up the method that way? Here…

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## [File\[\] files = listFiles(path+filepath); takes longer on windows than linux](https://discourse.processing.org/t/file-files-listfiles-path-filepath-takes-longer-on-windows-than-linux/42281)

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**Author:** [@nuhuhwy](https://discourse.processing.org/u/nuhuhwy)\
**Replies:** 2\
**Last updated:** [June 24, 2023, 2:54pm UTC](https://discourse.processing.org/t/file-files-listfiles-path-filepath-takes-longer-on-windows-than-linux/42281 "2023-06-24T14:54:29Z")

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Im tryna get a list off all items in a folder, to make a minecraft texture pack file viewer because i wanted to. i noticed on linux it runs smooth but on windows its very slow…

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## [ControlP5 scrollable list make all character CAPITAL](https://discourse.processing.org/t/controlp5-scrollable-list-make-all-character-capital/42270)

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**Author:** [@Ghostsss](https://discourse.processing.org/u/Ghostsss)\
**Replies:** 1\
**Last updated:** [June 23, 2023, 11:47pm UTC](https://discourse.processing.org/t/controlp5-scrollable-list-make-all-character-capital/42270 "2023-06-23T23:47:53Z")

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Following is the default controlP5 example of a scrollable list. It shows the text in scrollable list in CAPITAL LETTERS. I want the text to appear as it is. How to do that. Please help. import controlP5.\*; import jav…

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## [How to write code to press multiple Radiobuttons at once (button grid)](https://discourse.processing.org/t/how-to-write-code-to-press-multiple-radiobuttons-at-once-button-grid/42263)

<div class="topic-metadata">

**Author:** [@Hyunwoo](https://discourse.processing.org/u/Hyunwoo)\
**Replies:** 4\
**Last updated:** [June 23, 2023, 7:56am UTC](https://discourse.processing.org/t/how-to-write-code-to-press-multiple-radiobuttons-at-once-button-grid/42263 "2023-06-23T07:56:32Z")

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Hello everyone I have created 128 switches as radiobuttons and I want them to work only one at a time, and I want to be able to press SHIFT and select a switch and have multiple alternatives, how should I code it? Belo…

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## [How to make a method for easy text (alphabet, number) input](https://discourse.processing.org/t/how-to-make-a-method-for-easy-text-alphabet-number-input/42261)

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**Author:** [@Hyunwoo](https://discourse.processing.org/u/Hyunwoo)\
**Replies:** 8\
**Last updated:** [June 23, 2023, 7:54am UTC](https://discourse.processing.org/t/how-to-make-a-method-for-easy-text-alphabet-number-input/42261 "2023-06-23T07:54:16Z")

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Hello, I am trying to make a text window and edit the coding so that numbers and alphabets (capital letters only, automatic conversion in case of lower case letters) can be entered in the text window. I am trying to mod…

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## [I want the listed buttons to work only one at a time](https://discourse.processing.org/t/i-want-the-listed-buttons-to-work-only-one-at-a-time/42249)

<div class="topic-metadata">

**Author:** [@Hyunwoo](https://discourse.processing.org/u/Hyunwoo)\
**Replies:** 7\
**Last updated:** [June 22, 2023, 7:14pm UTC](https://discourse.processing.org/t/i-want-the-listed-buttons-to-work-only-one-at-a-time/42249 "2023-06-22T19:14:29Z")

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Hello, I am a student who is making a control program using Processing 4. The control program has 128 listed buttons, and when a button is pressed, the pin connected to the corresponding button in the driving circuit tu…

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## [PGraphics saving to GIF with transparent background](https://discourse.processing.org/t/pgraphics-saving-to-gif-with-transparent-background/42267)

<div class="topic-metadata">

**Author:** [@hareti](https://discourse.processing.org/u/hareti)\
**Replies:** 2\
**Last updated:** [June 22, 2023, 11:51am UTC](https://discourse.processing.org/t/pgraphics-saving-to-gif-with-transparent-background/42267 "2023-06-22T11:51:43Z")

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I’m, trying to save two gif images with transparent backgrounds. The program runs once and does not need to loop. See a reduced program below. There is no line in the 1st image while the 2nd image has the line. Why is t…

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## [Align Text in Scrollable List of ControlP5](https://discourse.processing.org/t/align-text-in-scrollable-list-of-controlp5/42265)

<div class="topic-metadata">

**Author:** [@Ghostsss](https://discourse.processing.org/u/Ghostsss)\
**Replies:** 3\
**Last updated:** [June 22, 2023, 7:11am UTC](https://discourse.processing.org/t/align-text-in-scrollable-list-of-controlp5/42265 "2023-06-22T07:11:26Z")

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Hello when I used scrollable List of ControlP5 the text gets aligned to top left. How to change it to middle? Please help. My declaration is as below: cp5.addScrollableList("scrollableList\_RPM\_Limit").addItems(Arra…

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## [How to fill circles in image (electric circuit)](https://discourse.processing.org/t/how-to-fill-circles-in-image-electric-circuit/42190)

<div class="topic-metadata">

**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 13\
**Last updated:** [June 20, 2023, 6:54pm UTC](https://discourse.processing.org/t/how-to-fill-circles-in-image-electric-circuit/42190 "2023-06-20T18:54:11Z")

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Hi all In this GitHub link Javascript app to process a PCB image and output G-code suitable for laser engraver or similar machine. To reduce tool time This is the PCB schematic image provided in the link It’s or…

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